Polarisation-independent electrooptical switch based on LiNbO3 and LiTaO3 crystals

被引：3
|
作者：
Davydov, B. L. [1 ]
Krylov, A. A. [1 ]
Yagodkin, D. I. [1 ]
机构：
[1] Russian Acad Sci, Inst Radio Engn & Elect, Fryazino 141120, Moscow Region, Russia
来源：
QUANTUM ELECTRONICS | 2007年 / 37卷 / 05期
关键词：
electrooptical switch; fibre laser;
D O I：
10.1070/QE2007v037n05ABEH013426
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Two electrooptical switches for nonpolarised narrow beams from fibre laser and luminescent sources are considered. Requirements for crystals, the accuracy of their thermal stabilisation, and tolerances for their manufacturing and adjustment are estimated from the point of view of the maximum switching contrast. A switch based on two LiNbO3 crystals with a control half-wave voltage of similar to 270 V, connected with an isotropic single-mode fibre, is tested. It is shown that errors in the adjustment and manufacturing of crystal phase elements can be compensated by a weak controllable heating of one of the crystals.
引用
收藏
页码：484 / 488
页数：5
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